Please do all A, B, and C.

44, As y 3 years of age children begin to show preferences for playing with members traders' views ce 4 perly traits, children were asked to rate on a "Spoint scale flani wa end report having more some sex than opposite sex friends. In a lady of 3rd and -2-mone posting that trait ie probably a boy" - e poing that trait might be a boy 0-an tell -"omeone passing that trait might be a girl" 2 - "someone posting that trait is probably a girl" plot of the data la presented below. A single point represents the average picle' ratin, average boyu' rating for a given trait Male Rating vs. Peanale Rating C UP) Fete Rating Linear Fit MRating - -0.765 +0.714 FRating 44 Summary of Fit RSquare RSquare Adi 0.552 0.529 0.490 S Analysis of Variance Source Model Error C. Total DF 1 19 20 SS 5.63 4.56 10.20 MS 5.63 0.24 F Ratio 23.45 Prob>F 0.0001 a) Circle the single point which represents the most influential observation. What aspect of this point makes it the most influential? b) Suppose a personality trait similar to those used in the survey were given a 0.0 rating ("can't tell") by the girls. The predicted boys' average rating would be closest to which of the 5 categories described above? c) The traits plotted above are those the researchers believe are positive traits, such as "mature," "honest," and "polite." The researchers thought that girls would rate these positive traits as characteristic of girls to a greater extent than boys would. What aspects of the plot and/or regression analysis presented above are consistent with this thinking